4th order in ford explorer

[all4audio]

i was about to Build a 4th order box in my truck, gonna try and keep it under the seat line lol and the dimensions will be 2.5CF in the sealed and 5CF in the ported section. For 2 sa 12s on about 2000 watts (give or take) what should i tune it at? was thinking 47-48 with alot of port area? taking suggestions!

[DrewImpala]

You want to keep that size box below the seat.?

Sorry, you lost me a bit.

[all4audio]

no lol I meant in the hatch part, just under the seat line, where I can still see out my back glass a lot easier